Utility model content
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of pyrolysis plant of organic solid waste process, and the pyrolysis plant of this organic solid waste process can solve the problem well.
For reaching above-mentioned requirements, the technical scheme that the utility model is taked is: the pyrolysis plant providing a kind of organic solid waste process, the pyrolysis plant of this organic solid waste process comprises feed arrangement, burner, pyrolysis installation, gas cleaning plant and drawing mechanism, it is characterized in that described pyrolysis installation comprises cylinder, entrance lock, urceolus, heat transfer chamber, ball self-circulating device, rolling scraper plate device, discharging sealing device, drive unit, discharging opening and pyrolysis gas floss hole; Cylinder is arranged on the inside of urceolus, the discharge end that entrance lock is arranged at the feed end of cylinder, discharging sealing device is arranged at cylinder, keep motion seal with static urceolus while cylinder rotates, pyrolysis carries out pyrolysis under anaerobic or anaerobic condition to make it ensure; Gap between cylinder and urceolus forms heat transfer chamber, and the heat energy of combustion chamber is passed to cylinder as pyrolysis thermal source, heat transfer chamber two ends connect heat smoke delivery port and fume emission mouth respectively, and to ensure heat energy transmission, temperature regulates and fume emission carries out in order; Cylinder two ends are extended outside urceolus, and the output of drive unit is connected to the feed end of cylinder; Be provided with ball self-circulating device and rolling scraper plate device combination unit in cylinder, this combination unit is followed cylinder differential and is rotated; Discharging sealing device and discharging opening combine with pyrolysis gas floss hole and are connected, ensure that pyrolysis is carried out under anaerobic or anaerobic condition, solid material after simultaneously ensureing pyrolysis is discharged under anaerobic or anaerobic condition, makes pyrolysis gas enter gas cleaning plant from pyrolysis gas floss hole; The charging aperture of described feed arrangement is connected with pyrolysis installation by entrance lock; Described burner is provided with air-introduced machine, and described air-introduced machine regulates the burning of combustion chamber by the air quantity controlling to introduce, and reaches the temperature of adjustment heat transfer chamber; Liquid trap top is provided with glass monitor window, gravity supervising device is provided with bottom described liquid trap, impacting type moisture separator is connected with solar panel circuit, detachable filter is inserted with, than the fixed block be above provided with for fixing described detachable filter inside described filtration system in filtration system; The lateral wall of condensing scrubbing tower is provided with signal pickup assembly, described signal pickup assembly is provided with the device for monitoring temperature, humidity control device and the pressure supervising device that stretch into described condensing scrubbing tower inside, described signal pickup assembly is provided with antenna.
The pyrolysis plant of this organic solid waste process adopts indirect type heating rotary stove, and the flue gas of heating does not directly contact with pyrolysis material, ensures that material is not contaminated, both can improve the quality of pyrolysis gas, also can improve quality and the productive rate of pyrolysis solid product.And the pyrolysis gas that pyrolysis produces is after purified treatment, obtain fuel gas and bio oil; Fuel gas directly burns generation heat energy, carrys out heating rotary furnace roller, and bio oil is also recyclable re-uses; Pyrolysis gas is made to obtain effectively recycling fully.Therefore can reduce the energy resource consumption needed for pyrolysis, reduce operating cost, it also avoid pyrolysis gas simultaneously and directly discharge the secondary pollution that environment is produced.Because pyrolysis gas is after purification and washing, removed tar and dust granules, remaining fuel gas mainly alkanes gas, the flue gas after burning meets environmental emission standard, does not pollute the environment, by arranging glass monitor window and gravity supervising device can be monitored in real time to the content liquid in liquid trap, the pyrolysis plant energy-conserving and environment-protective more of this organic solid waste process can be made by arranging solar panel, the filter efficiency of filtration system can be improved well by arranging detachable filter and fixed block, by set temperature supervising device, humidity control device and, pressure supervising device, signal pickup assembly and antenna can be monitored in real time the environment of condensing scrubbing tower inside and relevant information can be sent to relevant staff.
Detailed description of the invention
For making the object of the application, technical scheme and advantage clearly, below in conjunction with drawings and the specific embodiments, the application is described in further detail.
In the following description, quoting of " embodiment ", " embodiment ", " example ", " example " etc. is shown that the embodiment of so description or example can comprise special characteristic, structure, characteristic, character, element or limit, but not each embodiment or example must comprise special characteristic, structure, characteristic, character, element or limit.In addition, reuse phrase " embodiment according to the application " although be likely refer to identical embodiment, and not necessarily refers to identical embodiment.
For the sake of simplicity, eliminate in below describing and well known to a person skilled in the art some technical characteristic.
According to an embodiment of the application, the liquid trap 4-4 top of the pyrolysis plant of this organic solid waste process is provided with glass monitor window, gravity supervising device 7 is provided with bottom described liquid trap 4-4, described impacting type moisture separator 4-3 is connected with solar panel 8 circuit, detachable filter 9-6 is inserted with, than the fixed block 9-5 be above provided with for fixing described detachable filter 9-6 inside described filtration system 4-5 in described filtration system 4-5; The lateral wall of described condensing scrubbing tower 4-1 is provided with signal pickup assembly 9-4, described signal pickup assembly 9-4 is provided with device for monitoring temperature 9-1, the humidity control device 9-2 and pressure supervising device 9-3 that stretch into described condensing scrubbing tower 4-1 inside, described signal pickup assembly 9-4 is provided with antenna 9.
According to an embodiment of the application, pyrolysis plant Fig. 1 of this organic solid waste process is a kind of schematic diagram of pyrolysis plant of organic solid waste process, comprises feed arrangement 1, burner 2, pyrolysis installation 3, gas cleaning plant 4 and drawing mechanism 5.Specifically describe as follows: feed arrangement 1: be made up of hopper 1-1, dispenser 1-2, feed appliance 1-3, pusher 1-4, charging aperture 1-5, assembly is airtight to be successively connected.Material loads feed hopper 1-1, feed appliance 1-3 is sent to by dispenser 1-2, send pusher 1-4 to by feed appliance 1-3 again, and by pusher 1-4, material is entered charging aperture 1-5 by entrance lock 3-2 and deliver in reacting in rotary kiln furnace roller 3-1 and carry out pyrolysis.Burner 2: be made up of burner 2-1, combustion chamber 2-2, hot gas delivery port 2-3, air-introduced machine 2-4 and air-introduced machine exhaust opening 2-5.Liquefied gas burns at combustion chamber 2-2 and produces hot gas by burner 2-1, sends heat transfer chamber 3-4 to and cylinder 3-1 is heated to obtain heat energy by heat smoke delivery port 2-3; Heat smoke after heat transfer is discharged by air-introduced machine exhaust opening 2-5; The temperature of air-introduced machine 2-4 adjustable combustion room 2-2 and heat transfer chamber 3-4 and heat transfer rate.Pyrolysis installation 3, also referred to as reacting in rotary kiln stove: be made up of cylinder 3-1, entrance lock 3-2, urceolus 3-3, heat transfer chamber 3-4, ball self-circulating device 3-5, rolling scraper plate device 3-6, discharging sealing device 3-7, drive unit 3-8, discharging opening 3-9 and pyrolysis gas floss hole 3-10.Cylinder 3-1 is the reacting in rotary kiln stove of pyrolysis, it is arranged within urceolus 3-3, the discharge end that entrance lock 3-2 is arranged at the feed end of cylinder 3-1, discharging sealing device 3-7 is arranged at cylinder 3-1, keep motion seal with static urceolus 3-3 while sealing device 3-2 and 3-7 at two ends can make cylinder 3-1 rotate, pyrolysis carries out pyrolysis under anaerobic or anaerobic condition to make it ensure; And the gap between cylinder 3-1 and urceolus 3-3 forms heat transfer chamber 3-4, the heat energy of combustion chamber is made to pass to cylinder 3-1 as pyrolysis thermal source, heat transfer chamber 3-4 two ends connect heat smoke delivery port 2-3 and fume emission mouth 2-5 respectively, and to ensure heat energy transmission, temperature regulates and fume emission carries out in order; Cylinder 3-1 extends at two ends outside urceolus 3-3, and the feed end of cylinder 3-1 is connected with the output of drive unit 3-8, and cylinder 3-1 drives revolution by drive unit 3-8, ensures that pyrolysis is carried out continuously and evenly; The discharging opening 3-9 of cylinder 3-1 and discharging sealing device 3-7 combine with pyrolysis gas floss hole 3-10 and are connected, ensure that pyrolysis is carried out under anaerobic or anaerobic condition, solid material after simultaneously ensureing pyrolysis is discharged under anaerobic or anaerobic condition, makes pyrolysis gas enter gas cleaning plant 4 through pyrolysis gas floss hole 3-10 and carries out purified treatment; Ball self-circulating device 3-5 and rolling scraper plate device 3-6 combination unit is provided with in cylinder 3-1, this combination unit is followed cylinder 3-1 differential and is rotated, in rotation constantly wiper inner wall of rotary drum simultaneously carrying out grind, mixed material, make material continuous moving and even dry thermal cracking and adhesion barrel in cylinder 3-1, maintain the hot transfer efficiency of pyrolysis optimum, and progressively the solid material of institute's pyrolysis is discharged from discharging opening 3-9.
Gas cleaning plant 4: be made up of condensing scrubbing tower 4-1, pipeline 4-2, impacting type moisture separator 4-3, liquid trap 4-4, filtration system 4-5, heat exchanger 4-6 and control of dust liquid trap 4-7.Pyrolysis gas enters condensing scrubbing tower 4-1, by washing step by step, after removing heavy hydrocarbon organic matter and dust granules thing, entering pipeline 4-2, then being sent to impacting type gs-oil separator 4-3; By impacting type moisture separator 4-3, condensable oil and water and uncondensable Purge gas are separated completely, condensable oil and water are discharged to liquid trap 4-4 to store, and uncondensable fuel gas after purification is delivered to combustion chamber 2-1 burn, realize pyrolysis gas circular treatment and utilization----pyrolysis gas purified treatment can be reclaimed again and obtain fuel gas, as auxiliary postcombustion, thus decrease the use amount of burner 2-1 main fuel, reduce energy consumption economize energy; It also avoid pyrolysis gas simultaneously and directly discharge the secondary pollution that environment is produced.Bottom condensing scrubbing tower 4-1, there is floss hole, by the Liquid transfer containing materials such as oil and dust granules to filtration treatment in filtration system 4-5 and heat exchanger 4-6, thus liquid cools can be made and remove dust granules.Cooling oils after filtration will be recycled to scrubbing tower 4-1 and use, too much oil then collect be put in storagetank or be pumped to its elsewhere store; Dust granules after filtration is collected by control of dust liquid trap 4-7.
Drawing mechanism 5: be made up of discharging transport pipe 5-1, axle helical blade 5-2, cooling water pipe 5-3, motor 5-4, discharge gate 5-5, sack cleaner 5-6 and cooling tower 5-7.The leading portion that pipe 5-1 is transported in discharging is connected with discharging opening 3-9; Discharging is transported pipe 5-1 outside weld and is connected to cooling water pipe 5-3, is cooled when making material transport pipe 5-1 by discharging; Cooling water pipe 5-3 is connected with the cooling water outlet and inlet of cooling tower 5-9, keeps cooling water to circulate at the required temperatures and carries out; The below that pipe 5-1 latter end is transported in discharging is connected with discharge gate 5-5, is sent by the material after pyrolysis by motor 5-4 driving shaft helical blade 5-2; Be connected with sack cleaner 5-6 at discharge gate 5-5, remove by the flue gas taken out of during discharge, make fume emission reach environmental protection standard.
Concrete organic solid waste pyrolytic process is as follows:
After pending organic solid waste is waited pretreatment by fragmentation, send into feed hopper 1-1, material is sent to feed appliance 1-3 by dispenser 1-2, send pusher 1-4 to by feed appliance 1-3 again, and by pusher 1-4 material entered in cylinder 3-1 that charging aperture 1-5 delivers to pyrolysis installation 1 by entrance lock 3-2 and carry out pyrolysis.
Cylinder 3-1 front-end temperature at 120-200 DEG C by pending organic solid waste heating, drying and volatilize moisture content and organic substance; Complete for organic substance pyrolysis is also formed volatilization gas at 300-500 DEG C by cylinder 3-1 stage casing and posterior segment temperature, is called for short pyrolysis gas; Pyrogenous origin pyrolysis gas and solid matter are discharged at 230-300 DEG C by cylinder 3-1 rear temperature respectively.Unique ball self-circulating device 3-5 and rolling scraper plate device 3-6 combination unit is provided with in cylinder 3-1, this combination unit is followed cylinder 3-1 differential and is rotated, in rotation constantly wiper inner wall of rotary drum simultaneously carrying out grind, mixed material, make material continuous moving and even dry thermal cracking and adhesion barrel in cylinder 3-1, maintain the hot transfer efficiency of pyrolysis optimum, and progressively the solid material of institute's pyrolysis is discharged from discharging opening 3-9; The time of staying of material in reacting furnace cylinder 3-1 is approximately 60 minutes, and the design maximum allowable operating temperature (M.A.O.T.) that pyrolysis installation is used as pyrolysis is 650 DEG C.
Pyrolysis gas enters condensing scrubbing tower 4-1 after discharging, and carries out washing, purifying, after condensation filtered tar and particle, forms uncondensable purification gas.The temperature that pyrolysis gas enters scrubbing tower is 105 ~ 110 DEG C, and after scrubbing tower washing, purifying, purification gas temperature is 95 ~ 98 DEG C.And the Liquid transfer of the tar filtered through condensation and the material such as particle is to filtration treatment in filtration system 4-5 and heat exchanger 4-6, thus makes liquid cools and remove dust granules; Cooling oils after filtration will be recycled to scrubbing tower 4-1 and use, too much oil then collect be put in storagetank maybe can deliver to its elsewhere store; Dust granules after filtration collects process by control of dust liquid trap 4-7.Uncondensable purification gas will carry out removal moisture content and light oil process again by impacting type gs-oil separator 4-3,75 DEG C are approximately with its operating temperature, moisture content and light oil and incoagulable gas are separated completely, obtains incoagulable fuel gas and this fuel gas is delivered to combustion chamber 2-1 burning; Condensable moisture content and light oil are delivered to liquid trap 4-4 simultaneously.Incoagulable fuel gas mainly comprises CO, H
2, C
2h
2, C
2h
4deng gas, be the clean fuel of high-quality, as auxiliary fuel, direct circulation supplied burner 2-1 burnt, make the partial heat energy that reacting in rotary kiln furnace roller 3-1 obtains required for pyrolysis.The design operation maximum temperature of combustion chamber 2-2 is 982 DEG C.Pyrogenous origin solid matter--charcoal, when just discharging from discharging opening 3-9, the temperature of charcoal is higher, is about 230-250 DEG C, directly contacts with air and easily spontaneous combustion occurs.Drawing mechanism 5 is a kind of conveying devices with indirect water-cooling.Charcoal is in the process of discharging, and heat is passed to the barrel that pipe 5-1 is transported in discharging, and cooling water continues to flow and transports outside pipe 5-1 barrel and cooling water pipe 5-3 through discharging, is taken out of by the heat of pipe 5-1 barrel, thus progressively reduces the temperature of charcoal.Discharge from the barrel of pipe 5-1 the cooling water taking away heat, be connected by external cooling tower 5-9 with cooling water outlet and inlet, keep cooling water to circulate at the required temperatures and carry out, final temperature of discharging charcoal is 40 ~ 43 DEG C.Be connected with sack cleaner 5-6 at discharge gate 5-5, remove by a small amount of flue gas taken out of during discharge, make fume emission reach environmental protection standard.
The above embodiment only represents several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not be interpreted as the restriction to the utility model scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to the utility model protection domain.Therefore protection domain of the present utility model should be as the criterion with described claim.